Science Common Sense


1778 - What are the significant events in the history of chemistry, related theoretical developments, and the research achievements of scientists.

Here are the significant events in the history of chemistry, along with some important theoretical developments and the research achievements of scientists:

Ancient and Early Chemistry

  1. Alchemy (3000 BCE - 1500 CE): Ancient civilizations like Egypt and China practiced alchemy, trying to turn metals into gold and find the Philosopher's Stone.
  2. Dalton's Atomic Theory (1803): John Dalton proposed that elements are made up of tiny particles called atoms, which were the building blocks of matter.

The Birth of Modern Chemistry

  1. Lavoisier's Discovery of Oxygen (1778): Antoine Lavoisier discovered oxygen and showed that air is made up of more than one element.
  2. Mendeleev's Periodic Table (1869): Dmitri Mendeleev created the periodic table, which organizes elements by their properties and atomic number.
  3. Atomic Structure (1900s): Ernest Rutherford, Niels Bohr, and Henri Moseley developed the modern understanding of atomic structure, including electrons and electron shells.

Key Theoretical Developments

  1. Quantum Mechanics (1920s): Werner Heisenberg, Erwin Schrödinger, and Niels Bohr developed quantum mechanics, which explains the behavior of atoms and particles at the atomic level.
  2. Molecular Orbital Theory (1930s): Linus Pauling and Erich Hückel developed molecular orbital theory, which explains the behavior of electrons in molecules.

Notable Scientists and Research Achievements

  1. Robert Boyle's Law of Gases (1662): Boyle discovered that the volume of a gas is inversely proportional to the pressure.
  2. Charles Darwin and Evolution (1859): Darwin's theory of evolution led to a greater understanding of the chemical basis of life.
  3. Marie Curie's Discovery of Radioactivity (1898): Curie discovered radioactive elements like polonium and radium.
  4. James Watson and Francis Crick's DNA Model (1953): Watson and Crick discovered the double helix structure of DNA, which explained the basis of life.

Modern Chemistry

  1. Polymers and Plastics (1900s): The development of polymers and plastics revolutionized materials science.
  2. Biochemistry (1950s): The discovery of DNA and the development of biochemistry led to a greater understanding of the chemical basis of life.
  3. Nanomaterials and Catalysis (1990s): Researchers discovered new nanomaterials and developed more efficient catalysts for chemical reactions.

These events and discoveries have shaped our understanding of chemistry, from the ancient art of alchemy to the modern-day study of molecular structures and nanomaterials.